diff --git a/.github/workflows/run-test-suite.yml b/.github/workflows/run-test-suite.yml
index 2162c7a41..3abf00c31 100644
--- a/.github/workflows/run-test-suite.yml
+++ b/.github/workflows/run-test-suite.yml
@@ -48,17 +48,14 @@ jobs:
       fail-fast: ${{ inputs.fail-fast }}
       matrix:
         php: [ 8.1, 8.2, 8.3 ]
-        os: [ ubuntu-latest, windows-latest ]
+        os: [ ubuntu-latest ]
         extensions-suffix: [ '', ', protobuf' ]
         dependencies: [ lowest , highest ]
         timeout-minutes: [ '${{ inputs.test-timeout }}' ]
-        exclude:
-          - os: windows-latest
-            php: 8.2
+        include:
           - os: windows-latest
             extensions-suffix: ', protobuf'
-          - os: windows-latest
-            php: 8.3
+            php: 8.1
     steps:
       - name: Set Git To Use LF
         run: |
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index c2b9b8b09..d9c16f1b2 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -9,6 +9,12 @@
          stopOnFailure="false"
          stopOnError="false"
          stderr="true"
+         displayDetailsOnIncompleteTests="true"
+         displayDetailsOnSkippedTests="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnTestsThatTriggerNotices="true"
+         displayDetailsOnTestsThatTriggerWarnings="true"
 >
     <testsuites>
         <testsuite name="Acceptance">
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index b0bb1673b..2c82fdfb9 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -109,6 +109,12 @@
       <code><![CDATA[$workflowType]]></code>
     </PropertyNotSetInConstructor>
   </file>
+  <file src="src/Client/Schedule/Spec/ScheduleSpec.php">
+    <DeprecatedProperty>
+      <code><![CDATA[$this->excludeCalendarList]]></code>
+      <code><![CDATA[$this->excludeCalendarList]]></code>
+    </DeprecatedProperty>
+  </file>
   <file src="src/Client/Update/UpdateHandle.php">
     <PossiblyNullArgument>
       <code><![CDATA[$result->getSuccess()]]></code>
@@ -508,7 +514,6 @@
   </file>
   <file src="src/Internal/Declaration/Reader/WorkflowReader.php">
     <ArgumentTypeCoercion>
-      <code><![CDATA[$class]]></code>
       <code><![CDATA[$contextualRetry]]></code>
       <code><![CDATA[$method]]></code>
       <code><![CDATA[$name]]></code>
@@ -1218,10 +1223,6 @@
     <InvalidOperand>
       <code><![CDATA[$promisesOrValues]]></code>
     </InvalidOperand>
-    <MissingParamType>
-      <code><![CDATA[$promiseOrValue]]></code>
-      <code><![CDATA[$promiseOrValue]]></code>
-    </MissingParamType>
     <TooManyArguments>
       <code><![CDATA[$reduce($c, $value, $i++, $total)]]></code>
     </TooManyArguments>
@@ -1367,11 +1368,6 @@
       <code><![CDATA[$method]]></code>
     </ArgumentTypeCoercion>
   </file>
-  <file src="src/Worker/Transport/RPCConnectionInterface.php">
-    <MissingParamType>
-      <code><![CDATA[$payload]]></code>
-    </MissingParamType>
-  </file>
   <file src="src/Worker/Transport/RoadRunner.php">
     <ArgumentTypeCoercion>
       <code><![CDATA[$env->getRelayAddress()]]></code>
diff --git a/src/Client/Schedule/Spec/ScheduleSpec.php b/src/Client/Schedule/Spec/ScheduleSpec.php
index d1a688836..5e6c74047 100644
--- a/src/Client/Schedule/Spec/ScheduleSpec.php
+++ b/src/Client/Schedule/Spec/ScheduleSpec.php
@@ -76,6 +76,8 @@ final class ScheduleSpec
      * Any timestamps matching any of exclude* will be skipped.
      *
      * @var list<CalendarSpec>
+     *
+     * @deprecated
      */
     #[MarshalArray(name: 'exclude_calendar', of: CalendarSpec::class)]
     public readonly array $excludeCalendarList;
@@ -245,18 +247,25 @@ public function withAddedInterval(mixed $interval): self
 
     /**
      * Returns a new instance with the replaced exclude calendar list.
+     *
+     * @deprecated This method is deprecated and will be removed in the next major release.
      */
     public function withExcludeCalendarList(CalendarSpec ...$calendar): self
     {
+        @\trigger_error('ScheduleSpec::withExcludeCalendarList() is deprecated', E_USER_DEPRECATED);
+
         /** @see self::$excludeCalendarList */
         return $this->with('excludeCalendarList', $calendar);
     }
 
     /**
      * Any timestamps matching any of exclude* will be skipped.
+     *
+     * @deprecated This method is deprecated and will be removed in the next major release.
      */
     public function withAddedExcludeCalendar(CalendarSpec $calendar): self
     {
+        @\trigger_error('ScheduleSpec::withAddedExcludeCalendar() is deprecated', E_USER_DEPRECATED);
         $value = $this->excludeCalendarList;
         $value[] = $calendar;
 
diff --git a/src/Exception/Client/ServiceClientException.php b/src/Exception/Client/ServiceClientException.php
index 9bad38e4a..e8c7eb9ae 100644
--- a/src/Exception/Client/ServiceClientException.php
+++ b/src/Exception/Client/ServiceClientException.php
@@ -31,7 +31,11 @@ public function __construct(\stdClass $status, \Throwable $previous = null)
             $this->status->mergeFromString($status->metadata['grpc-status-details-bin'][0]);
         }
 
-        parent::__construct($status->details . " (code: $status->code)", $status->code, $previous);
+        parent::__construct(\sprintf(
+            "%s (code: %d)",
+            isset($status->details) ? (string) $status->details : '',
+            $status->code,
+        ), $status->code, $previous);
     }
 
     public function getStatus(): Status
diff --git a/tests/Unit/Router/InvokeActivityTestCase.php b/tests/Unit/Router/InvokeActivityTestCase.php
index 8bd1b8c58..972c9f66f 100644
--- a/tests/Unit/Router/InvokeActivityTestCase.php
+++ b/tests/Unit/Router/InvokeActivityTestCase.php
@@ -32,6 +32,7 @@ final class InvokeActivityTestCase extends AbstractUnit
 {
     private ServiceContainer $services;
     private InvokeActivity $router;
+    private ActivityContext $activityContext;
 
     protected function setUp(): void
     {
diff --git a/tests/Unit/Router/StartWorkflowTestCase.php b/tests/Unit/Router/StartWorkflowTestCase.php
index df068592f..e5e47c93a 100644
--- a/tests/Unit/Router/StartWorkflowTestCase.php
+++ b/tests/Unit/Router/StartWorkflowTestCase.php
@@ -37,6 +37,8 @@ final class StartWorkflowTestCase extends AbstractUnit
 {
     private ServiceContainer $services;
     private StartWorkflow $router;
+    private WorkflowContext $workflowContext;
+    private MarshallerInterface $marshaller;
 
     protected function setUp(): void
     {